test.py

import difflib
usr_input = 'Rum and Juice'
drinks = ['Jargerbomb', 'Vodka', 'Rum and Coke']

def match_ratio(string):
    return difflib.SequenceMatcher(None, usr_input, string).ratio()

best_match = max(drinks, key=match_ratio)

print best_match

print [match_ratio(k) for k in drinks]